65328615156 has 72 divisors (see below), whose sum is σ = 185030153280. Its totient is φ = 17853779328.

The previous prime is 65328615091. The next prime is 65328615161. The reversal of 65328615156 is 65151682356.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2401761 + ... + 2428808.

It is an arithmetic number, because the mean of its divisors is an integer number (2569863240).

Almost surely, 2^65328615156 is an apocalyptic number.

It is an amenable number.

65328615156 is an abundant number, since it is smaller than the sum of its proper divisors (119701538124).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

65328615156 is a wasteful number, since it uses less digits than its factorization.

65328615156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4830613 (or 4830604 counting only the distinct ones).

The product of its digits is 1296000, while the sum is 48.

The spelling of 65328615156 in words is "sixty-five billion, three hundred twenty-eight million, six hundred fifteen thousand, one hundred fifty-six".